US20070241526A1 - Vehicle stabilizer bar bushing assembly - Google Patents

Vehicle stabilizer bar bushing assembly Download PDF

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Publication number
US20070241526A1
US20070241526A1 US11/702,314 US70231407A US2007241526A1 US 20070241526 A1 US20070241526 A1 US 20070241526A1 US 70231407 A US70231407 A US 70231407A US 2007241526 A1 US2007241526 A1 US 2007241526A1
Authority
US
United States
Prior art keywords
bushing
liner
ledges
stabilizer bar
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/702,314
Other languages
English (en)
Inventor
Martin Joseph Plante
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodyear Tire and Rubber Co
Original Assignee
Goodyear Tire and Rubber Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goodyear Tire and Rubber Co filed Critical Goodyear Tire and Rubber Co
Priority to US11/702,314 priority Critical patent/US20070241526A1/en
Priority to EP07106041A priority patent/EP1844963A1/de
Publication of US20070241526A1 publication Critical patent/US20070241526A1/en
Assigned to THE GOODYEAR TIRE & RUBBER COMPANY reassignment THE GOODYEAR TIRE & RUBBER COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PLANTE, MARTIN JOSEPH
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
    • B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
    • B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
    • B60G21/055—Stabiliser bars
    • B60G21/0551—Mounting means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/14—Torsion springs consisting of bars or tubes
    • F16F1/16—Attachments or mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/122—Mounting of torsion springs
    • B60G2204/1222—Middle mounts of stabiliser on vehicle body or chassis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/41—Elastic mounts, e.g. bushings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B60G2204/4307—Bracket or knuckle for torsional springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/44—Centering or positioning means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/45—Stops limiting travel

Definitions

  • the present invention is directed to a bushing for a vehicle stabilizer bar. More specifically, the present invention is directed to an improvement for a bushing assembly.
  • a stabilizer bar is connected to the right and left wheel assemblies of a vehicle to assist in keeping the vehicle level.
  • at least one metal bracket positioned between the ends of the stabilizer bar, secures the stabilizer bar to a structural component of the vehicle.
  • a rubber bushing is positioned between the stabilizer bar and the metal bracket to limit axial and radial movement of the stabilizer bar relative to the bracket. The rubber bushing also dampens the stabilizer bar movements.
  • the configuration of a stabilizer bar will typically include several bends; the exact configuration of the stabilizer bar is specific to the vehicle platform as it is configured to go around other features of the vehicle undercarriage. Because of the bends and variations of both the stabilizer bar and the vehicle undercarriage, which dictates where a bushing can be mounted, there may arise vehicle platforms where the bushing must be mounted where there is a bend in the stabilizer bar. Thus the bushing assembly, and the components thereof, must be flexible to accommodate the bar and permit the desired movement between the stabilizer bar and the bushing assembly.
  • the present invention is directed to a stabilizer bar bushing assembly wherein the assembly includes an internal component that provides both a low coefficient of friction between the component and the stabilizer bar and is flexible to permit movement along bends of the stabilizer bar.
  • the present invention is a vehicle stabilizer bar mounting assembly.
  • the assembly has a retaining bracket, an elastomeric bushing, and a bushing liner.
  • the bushing liner is internal to the bushing and the bracket is secured over an external surface of the bushing.
  • the bushing has a generally torodial shape between a pair of opposing ends, a constant internal diameter, and ledges at the opposing ends.
  • the bushing liner has a length greater than the bushing, a pair of opposing ends, liner ledges at the opposing ends, and is formed from a non-elastomeric material. When assembled, the liner ledges of the bushing liner extend past the ledges of the bushing and the liner ledges have an external diameter greater than the internal bushing diameter, and the bushing liner is not bonded to the bushing.
  • the bushing liner is formed from a polymeric material having a coefficient of friction less than the coefficient of friction of the elastomer forming the bushing.
  • the bushing liner is formed from a flexible material capable of being formed into non-linear configurations.
  • the mounting bracket has an internal radius and the bushing ledges have an external radius greater than the mounting bracket internal radius.
  • the mounting bracket has an internal radius and the bushing has a central compression area having an external diameter, the external diameter of the compression area being greater than the twice the internal radius of the mounting bracket.
  • the bushing and the bushing liner have corresponding non-linear configurations.
  • the mounting bracket may have a pair of securing arms, each arm having first and second ends, wherein the first ends of the arms having a mounting means located therein, and the second ends of the arms are joined to each other.
  • FIG. 1 is a stabilizer bar and a mounting assembly for the bar
  • FIG. 2 is a cross sectional view along section line 2 - 2 of FIG. 1 ;
  • FIG. 3 is a perspective view of the bushing, liner, and stabilizer bar
  • FIG. 4 is an alternative embodiment of a stabilizer bar and mounting assembly
  • FIG. 5 is an embodiment of the liner
  • FIG. 6 is an alternative embodiment of the bushing, liner, and stabilizer bar.
  • FIGS. 1 and 2 illustrate a portion of a vehicle stabilizer bar 10 secured to a vehicle chassis or frame 12 by means of mounting assembly including a generally U-shaped metal retaining bracket 14 .
  • the mounting bracket 14 is secured on both sides of the stabilizer bar to the vehicle chassis 12 .
  • the mounting assembly includes a bar bushing 16 and a bushing liner 18 .
  • the bar bushing 16 has a generally torodial shape and a slit along the length of the bushing 16 so that the bushing 16 may be mounted onto the stabilizer bar 10 .
  • the bushing 16 has a constant internal radius R B and a varying external configuration.
  • the constant internal bushing radius R B is greater than the outer radius R S of the stabilizer bar 10 by not more than 5 mm, preferably not more than 3 mm. Radius values of the stabilizer bar 10 and elements of the mounting assembly are measured relative to the centerline CL of the stabilizer bar 10 , which corresponds to the centerline of the bushing 16 and liner 18 .
  • the external configuration of the bushing 16 has a central compression area 20 and ledges 22 at the opposing ends of the bushing 16 , see FIG. 3 .
  • the central compression area 20 includes an area having a radius R BC greater than the minimum radius R BMIN of the external configuration. At least a portion of the central compression area has a radius R BC greater than the radius R M created by the mounting bracket. While the compression area 20 is illustrated as a single, hill-like projection, the external configuration of the compression area 20 is not limited to the illustrated design and may be formed with multiple projections or even have grooves therein.
  • the ledges 22 at the bushing ends have a radius R BMAX greater than the internal radius R M of the mounting bracket. The ledges 22 prevent the bushing 16 from moving out from under the metal bracket 14 .
  • the bushing liner 18 Internal to the bushing 16 is a bushing liner 18 .
  • the bushing liner 18 has a defined length with a generally hose-like configuration and ledges 24 at the opposing ends of the liner 18 . Similar to the bushing 16 , the liner 18 has a slit 26 to permit application of the liner onto the stabilizer bar 10 , see FIG. 5 .
  • the liner 18 has a length greater than the bushing 16 wherein, when the bushing 16 is positioned over the liner 18 , the bushing 16 is located between the opposing liner ledges 24 .
  • the liner ledges 24 have a height H E in range of 2 to 10 times the thickness H L of the central portion of the liner 18 .
  • the liner 18 has a constant internal radius R LI corresponding to not more than 1 mm, preferably not more than 3 mm greater than the stabilizer bar external diameter.
  • the central external radius of the liner 18 corresponds to the internal radius R B of the bushing 16 within conventional engineering tolerances but also may be greater than R B to create interference and a tighter fit to the assembly.
  • the slit 26 of the liner 18 the slit creates a pair of opposing longitudinal edges.
  • a rib 28 may be provided, the ribs 28 may or may not have a height the same as the ledges 24 .
  • the liner 18 is formed of a polymeric material having a low coefficient of friction and excellent abrasion resistance between the stabilizer bar 10 and the bushing 16 .
  • the coefficient of friction for the liner 18 is less than the coefficient of friction of the elastomer forming the bushing 16 , the coefficients being that of friction against metal.
  • the liner 18 is formed of a flexible material to permit forming the liner 18 with a longitudinal shape other than strictly the straight shape that is currently illustrated; i.e. non-linear configurations.
  • the material used for the liner permits the liner 18 to be formed with a variety of bent configurations so that the bushing assembly may also be used to mount the stabilizer bar 10 to the vehicle frame 12 along a bent portion of the bar 10 .
  • a bent bushing and liner is illustrated in FIG. 4 .
  • the bushing 30 and liner 32 have a bent configuration corresponding to a bend in the stabilizer bar 10 .
  • the bracket 34 securing the bar and bushing assembly to the vehicle frame 12 has a split configuration wherein each leg of the bend of the bushing assembly is individually secured to the vehicle frame 12 .
  • the bracket 34 has a U shaped configuration wherein one side of the U shape is split to create a V shape configuration.
  • the bracket 34 has a pair of securing arms 36 , each arm 36 having two first and second ends 38 , 40 . At the first end 38 of each securing arm 36 there is a mounting means 42 for attaching the bracket 34 to the frame 12 . The second ends 40 the arms 36 are joined together to form a single mounting area with at least one mounting means 42 . To further secure the location of the bushing 30 , in addition to the ledges at the opposing ends of the bushing 30 , there may be ledges located along the length of the bushing 30 so that each mounting bracket arm 36 is located between a pair of ledges.
  • a straight bushing 30 and liner 18 may be located just on one arm of the bend of the bar.
  • FIG. 6 Another embodiment for the assembly that may be used with both a straight or bent stabilizer bar is shown in FIG. 6 .
  • the bushing 16 has a raised central compression area 20 and the ledges 22 at the opposing ends have a reduced height in comparison to the central compression area 20 .
  • the radius of the raised compression area is greater than the radius R M created by the mounting bracket.
  • Suitable, and preferred, materials of construction for the liner 18 include an ultra high molecular weight polyethylene.
  • the liner 18 is maintained as a separate element from the bushing 16 ; i.e. the liner is not bonded or adhesively secured to the bushing.
  • the bushing 16 may be affixed to the liner 18 and then the assembly mounted onto the stabilizer bar 10 or the liner 18 may first be mounted on the stabilizer bar 10 and the bushing 16 is mounted onto the liner.
  • the busing assembly has improved durability due to reduced abrasion between the bushing and the bar and reduced wear of the internal side of the bushing as the bushing no longer rubs against the metal stabilizer bar. Also, friction noise between the bushing and bar is eliminated due to the elimination of contact between the rubber bushing and the metal stabilizer bar.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)
US11/702,314 2006-04-13 2007-02-05 Vehicle stabilizer bar bushing assembly Abandoned US20070241526A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/702,314 US20070241526A1 (en) 2006-04-13 2007-02-05 Vehicle stabilizer bar bushing assembly
EP07106041A EP1844963A1 (de) 2006-04-13 2007-04-12 Buchsenanordnung für einen Stabilisatorstab eines Fahrzeugs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79179706P 2006-04-13 2006-04-13
US11/702,314 US20070241526A1 (en) 2006-04-13 2007-02-05 Vehicle stabilizer bar bushing assembly

Publications (1)

Publication Number Publication Date
US20070241526A1 true US20070241526A1 (en) 2007-10-18

Family

ID=38055304

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/702,314 Abandoned US20070241526A1 (en) 2006-04-13 2007-02-05 Vehicle stabilizer bar bushing assembly

Country Status (2)

Country Link
US (1) US20070241526A1 (de)
EP (1) EP1844963A1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100244395A1 (en) * 2008-02-21 2010-09-30 Nhk Spring Co., Ltd. Vehicle stabilizer
CN102285307A (zh) * 2011-06-29 2011-12-21 力帆实业(集团)股份有限公司 防止横向稳定杆缓冲胶套被拉出的结构
CN102350929A (zh) * 2011-06-29 2012-02-15 力帆实业(集团)股份有限公司 横向稳定杆缓冲胶套防拉出结构
US20150008630A1 (en) * 2012-02-15 2015-01-08 Honda Motor Co., Ltd. Bush
WO2015142989A1 (en) * 2014-03-18 2015-09-24 B/E Aerospace, Inc. Friction bushing
US20160176260A1 (en) * 2013-04-19 2016-06-23 Nhk Spring Co., Ltd. Bush for stabilizer
US10661628B2 (en) * 2018-06-15 2020-05-26 Honda Motor Co., Ltd. Apparatus for attaching a stabilizer bar to a vehicle
US11511582B2 (en) * 2017-10-03 2022-11-29 Hendrickson Usa, L.L.C. Bushing with wear pad retainer

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854766A (en) * 1988-05-12 1989-08-08 Gencorp Inc. Slip bearing for a sway bar clamp
US5562251A (en) * 1993-09-03 1996-10-08 Goyen Controls & Co. Pty. Limited Gas nozzle for bag house cleaning systems
US5743987A (en) * 1994-10-21 1998-04-28 Btr Antivibration Systems, Inc. Stabilizer bar bushing wiht ultra high molecular weight polyethylene lining and method of manufacture
US5984283A (en) * 1996-03-29 1999-11-16 Toyoda Gosei Co., Ltd. Vibration-damping rubber in suspension of vehicle
US6474631B2 (en) * 2000-03-16 2002-11-05 Toyo Tire & Rubber Co., Ltd. Stabilizer bushing
US20030175073A1 (en) * 2002-03-13 2003-09-18 Ford Global Technologies, Inc. Stabilizer bar system for automotive vehicle
US20030197343A1 (en) * 2002-04-17 2003-10-23 Visteon Global Technologies, Inc. Variable rate gripped bushing system
US6755403B2 (en) * 1999-09-29 2004-06-29 The Pullman Company Non-slip sta-bar bushing
US6791640B1 (en) * 1997-04-23 2004-09-14 Sharp Kabushiki Kaisha Reflection liquid crystal display and reflection liquid crystal display provided with built-in touch panel and comprising the same
US6845995B2 (en) * 2002-11-08 2005-01-25 Visteon Global Technologies, Inc. Method of forming compression gripped bushing system
US6893034B2 (en) * 2002-10-15 2005-05-17 Arvinmeritor Technology, Llc Stabilizer bar with bushings that remain fixed to the bar

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8929056D0 (en) * 1989-12-22 1990-02-28 Tempered Spring Company The Li Anti-roll bars
US5110685A (en) * 1990-05-18 1992-05-05 Exxon Chemical Patents, Inc. Low friction, abrasion resistant polymer coating
EP0569498A1 (de) * 1991-01-28 1993-11-18 W.L. Gore & Associates, Inc. Büchseneinsatzstück
EP0747246A1 (de) * 1995-06-07 1996-12-11 Ab Volvo Lager für einen Stabilisator eines Fahrzeuges
DE19738769A1 (de) * 1997-09-04 1999-03-11 Bayerische Motoren Werke Ag Lagerung eines Stabilisators an einem Kraftfahrzeug
DE19912268A1 (de) * 1999-03-19 2000-09-28 Audi Ag Lagerung für einen Stabilisator

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854766A (en) * 1988-05-12 1989-08-08 Gencorp Inc. Slip bearing for a sway bar clamp
US5562251A (en) * 1993-09-03 1996-10-08 Goyen Controls & Co. Pty. Limited Gas nozzle for bag house cleaning systems
US5743987A (en) * 1994-10-21 1998-04-28 Btr Antivibration Systems, Inc. Stabilizer bar bushing wiht ultra high molecular weight polyethylene lining and method of manufacture
US5984283A (en) * 1996-03-29 1999-11-16 Toyoda Gosei Co., Ltd. Vibration-damping rubber in suspension of vehicle
US6791640B1 (en) * 1997-04-23 2004-09-14 Sharp Kabushiki Kaisha Reflection liquid crystal display and reflection liquid crystal display provided with built-in touch panel and comprising the same
US6755403B2 (en) * 1999-09-29 2004-06-29 The Pullman Company Non-slip sta-bar bushing
US6474631B2 (en) * 2000-03-16 2002-11-05 Toyo Tire & Rubber Co., Ltd. Stabilizer bushing
US7367744B2 (en) * 2002-03-13 2008-05-06 Ford Global Technologies, Llc Stabilizer bar system for automotive vehicle
US20030175073A1 (en) * 2002-03-13 2003-09-18 Ford Global Technologies, Inc. Stabilizer bar system for automotive vehicle
US20030197343A1 (en) * 2002-04-17 2003-10-23 Visteon Global Technologies, Inc. Variable rate gripped bushing system
US6889988B2 (en) * 2002-04-17 2005-05-10 Visteon Global Technologies, Inc. Variable rate gripped bushing system
US6893034B2 (en) * 2002-10-15 2005-05-17 Arvinmeritor Technology, Llc Stabilizer bar with bushings that remain fixed to the bar
US6845995B2 (en) * 2002-11-08 2005-01-25 Visteon Global Technologies, Inc. Method of forming compression gripped bushing system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100244395A1 (en) * 2008-02-21 2010-09-30 Nhk Spring Co., Ltd. Vehicle stabilizer
US8382129B2 (en) 2008-02-21 2013-02-26 Nhk Spring Co., Ltd. Vehicle stabilizer
CN102285307A (zh) * 2011-06-29 2011-12-21 力帆实业(集团)股份有限公司 防止横向稳定杆缓冲胶套被拉出的结构
CN102350929A (zh) * 2011-06-29 2012-02-15 力帆实业(集团)股份有限公司 横向稳定杆缓冲胶套防拉出结构
US20150008630A1 (en) * 2012-02-15 2015-01-08 Honda Motor Co., Ltd. Bush
US9546705B2 (en) * 2012-02-15 2017-01-17 Honda Motor Co., Ltd. Bush
US20160176260A1 (en) * 2013-04-19 2016-06-23 Nhk Spring Co., Ltd. Bush for stabilizer
US9834060B2 (en) * 2013-04-19 2017-12-05 Nhk Spring Co., Ltd. Bush for stabilizer
WO2015142989A1 (en) * 2014-03-18 2015-09-24 B/E Aerospace, Inc. Friction bushing
US11511582B2 (en) * 2017-10-03 2022-11-29 Hendrickson Usa, L.L.C. Bushing with wear pad retainer
US10661628B2 (en) * 2018-06-15 2020-05-26 Honda Motor Co., Ltd. Apparatus for attaching a stabilizer bar to a vehicle

Also Published As

Publication number Publication date
EP1844963A1 (de) 2007-10-17

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AS Assignment

Owner name: THE GOODYEAR TIRE & RUBBER COMPANY, OHIO

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:PLANTE, MARTIN JOSEPH;REEL/FRAME:020337/0973

Effective date: 20070131

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION